Evaluvate
cos45/sec30+1/sec60
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Step-by-step explanation:
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Answer:
√3+√2/2√2
Step-by-step explanation:
cos45=1/√2
sec30=2/√3
sec60=2
hence
cos45/sec30+1/sec60
=1/√2/2/√3+1/2
1/√2×√3/2+1/2
√3/2√2+1/2
2√3+2√2/4√2
taking 2 common
√3+√2/2√2
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